About Blades Finding the Correct Toothpitch for sawing
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Tooth pitches
With the
following formula you can find out the ideal tooth pitch for tube sawing. In the
table there are tooth pitches for the most used dimensions of tubes. Choose the
optimal tooth pitch by selecting the outer diameter of tube and the wall
thickness.
If you have to cut two or more tubes lying side by side please use this table in
view of the double wall thickness.
| wall thickness |
tooth
pitch Tz (tpi) outer diameter D of tube (mm) |
||||||||||||||||
| mm | 20 | 40 | 60 | 80 | 100 | 120 | 150 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1500 |
| 2 | 14 | 14 | 14 | 14 | 14 | 14 | 10-14 | 10-14 | 8-12 | 8-12 | 6-10 | 6-10 | 5-8 | 5-8 | 5-8 | 5-8 | 5-8 |
| 3 | 14 | 14 | 10-14 | 10-14 | 10-14 | 10-14 | 8-12 | 8-12 | 6-10 | 6-10 | 5-8 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 4-6 |
| 4 | 14 | 14 | 10-14 | 10-14 | 8-12 | 8-12 | 8-12 | 8-12 | 5-8 | 4-6 | 4-6 | 4-6 | 4-6 | 4-6 | 4-6 | 4-6 | 3-4 |
| 5 | 14 | 10-14 | 10-14 | 10-14 | 8-12 | 8-12 | 8-12 | 6-10 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 |
| 6 | 14 | 10-14 | 10-14 | 8-12 | 8-12 | 8-12 | 8-12 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 3-4 | 3-4 |
| 8 | 14 | 10-14 | 8-12 | 8-12 | 8-12 | 6-10 | 6-10 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 3-4 |
| 10 | 8-12 | 6-10 | 6-10 | 6-10 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | |
| 12 | 8-12 | 6-10 | 6-10 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | 2-3 | |
| 15 | 8-12 | 6-10 | 5-8 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | |
| 20 | 6-10 | 5-8 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | ||
| 30 | 4-6 | 4-6 | 4-6 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | |||
| 50 | 3-4 | 3-4 | 3-4 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 1,4-2 | 1,4-2 | 1,4-2 | |||||
| 75 | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | |||||||
| 100 | 2-3 | 2-3 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 0,75-1,25 | ||||||||
| 150 | 2-3 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 0,75-1,25 | 0,75-1,25 | |||||||||
| 200 | 1,4-2 | 1,4-2 | 1,4-2 | 1,4-2 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | ||||||||||
| 250 | 1,4-2 | 1,4-2 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | |||||||||||
| 300 | 1,4-2 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | ||||||||||||
| 350 | 0,75-1,25 | 0,75-1,25 | 0,75-1,25 | 0,55-0,75 | |||||||||||||
| 400 | 0,75-1,25 | 0,75-1,25 | 0,55-0,75 | ||||||||||||||
| 450 | 0,75-1,25 | 0,55-0,75 | |||||||||||||||
| 500 | 0,55-0,75 | ||||||||||||||||